On previous posts, I talked about enabling gzip compression and image compression on-the-fly for your WordPress blog. These two tips will reduce your blog size and eventually speeding up your blog page load time. In result, your blog will score higher in Google Page Speed and Yahoo YSlow scoring.
By installing W3 Total Cache plugin, you’ll achieve higher score. I can see that this plugin put some nice .htaccess settings for your blog that will make your blog score higher. W3 Total Cache tweaks some valuation components in Page Speed and YSlow valuation such as: minify CSS, JS and HTML; enabling gzip compression, ETag, Vary: Accept-Encoding header and specify cache validator.
Ahosto.net score result after implementing those three tips: